/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
use bytes::Bytes;

pub trait Compressor {
    /// Compress message by different compressor.
    ///
    /// # Arguments
    ///
    /// * `src` - Bytes ready to compress.
    /// * `level` - Compression level used to balance compression rate and time consumption.
    ///
    /// # Returns
    ///
    /// Compressed byte data or an `std::io::Error`.
    fn compress(&self, src: &[u8], level: i32) -> rocketmq_error::RocketMQResult<Bytes>;

    /// Decompress message by different compressor.
    ///
    /// # Arguments
    ///
    /// * `src` - Bytes ready to decompress.
    ///
    /// # Returns
    ///
    /// Decompressed byte data or an `std::io::Error`.
    fn decompress(&self, src: &[u8]) -> rocketmq_error::RocketMQResult<Bytes>;
}
